Provide initial implementations of Memory and Process concepts for various
platforms.
Implement GetLLVMSuffix function for the Path concept.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16292 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Win32/Memory.cpp b/lib/System/Win32/Memory.cpp
new file mode 100644
index 0000000..8a9ae05
--- /dev/null
+++ b/lib/System/Win32/Memory.cpp
@@ -0,0 +1,44 @@
+//===- Win32/Memory.cpp - Win32 Memory Implementation -----------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Reid Spencer and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides the Win32 specific implementation of various Memory
+// management utilities
+//
+//===----------------------------------------------------------------------===//
+
+#include <llvm/System/Process.h>
+#include "windows.h"
+
+namespace llvm {
+using namespace sys;
+
+//===----------------------------------------------------------------------===//
+//=== WARNING: Implementation here must contain only Win32 specific code.
+//===----------------------------------------------------------------------===//
+
+void* Memory::AllocateRWX(Memory&M, unsigned NumBytes) {
+ if (NumBytes == 0) return 0;
+
+ unsigned pageSize = Process::GetPageSize();
+ unsigned NumPages = (NumBytes+pageSize-1)/pageSize;
+ void *P = VirtualAlloc(0, NumPages*pageSize, MEM_COMMIT,
+ PAGE_EXECUTE_READWRITE);
+ if (P == 0) {
+ throw std::string("Couldn't allocate ") + utostr(NumBytes) +
+ " bytes of executable memory!";
+ }
+ M.Address = P;
+ M.AllocSize = NumBytes;
+ return P;
+}
+
+void Memory::ReleaseRWX(Memory& M) {
+ if (M.Address == 0 ) return;
+ VirtualFree(M.Address, M.AllocSize, MEM_DECOMMIT, PAGE_NOACCESS);
+}
diff --git a/lib/System/Win32/Memory.inc b/lib/System/Win32/Memory.inc
new file mode 100644
index 0000000..8a9ae05
--- /dev/null
+++ b/lib/System/Win32/Memory.inc
@@ -0,0 +1,44 @@
+//===- Win32/Memory.cpp - Win32 Memory Implementation -----------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Reid Spencer and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides the Win32 specific implementation of various Memory
+// management utilities
+//
+//===----------------------------------------------------------------------===//
+
+#include <llvm/System/Process.h>
+#include "windows.h"
+
+namespace llvm {
+using namespace sys;
+
+//===----------------------------------------------------------------------===//
+//=== WARNING: Implementation here must contain only Win32 specific code.
+//===----------------------------------------------------------------------===//
+
+void* Memory::AllocateRWX(Memory&M, unsigned NumBytes) {
+ if (NumBytes == 0) return 0;
+
+ unsigned pageSize = Process::GetPageSize();
+ unsigned NumPages = (NumBytes+pageSize-1)/pageSize;
+ void *P = VirtualAlloc(0, NumPages*pageSize, MEM_COMMIT,
+ PAGE_EXECUTE_READWRITE);
+ if (P == 0) {
+ throw std::string("Couldn't allocate ") + utostr(NumBytes) +
+ " bytes of executable memory!";
+ }
+ M.Address = P;
+ M.AllocSize = NumBytes;
+ return P;
+}
+
+void Memory::ReleaseRWX(Memory& M) {
+ if (M.Address == 0 ) return;
+ VirtualFree(M.Address, M.AllocSize, MEM_DECOMMIT, PAGE_NOACCESS);
+}
diff --git a/lib/System/Win32/Path.cpp b/lib/System/Win32/Path.cpp
new file mode 100644
index 0000000..1a0eda4
--- /dev/null
+++ b/lib/System/Win32/Path.cpp
@@ -0,0 +1,33 @@
+//===- Win32/Path.cpp - Win32 Path Implementation ---------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Reid Spencer and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides the Win32 specific implementation of the Path class.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+//=== WARNING: Implementation here must contain only Win32 specific code
+//=== and must not be generic UNIX code (see ../Unix/Path.cpp)
+//===----------------------------------------------------------------------===//
+
+// Include the generic Unix implementation
+#include "../Unix/Path.cpp"
+
+namespace llvm {
+using namespace sys;
+
+
+std::string
+Path::GetDLLSuffix() {
+ return "dll";
+}
+
+}
+
+// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
diff --git a/lib/System/Win32/Path.inc b/lib/System/Win32/Path.inc
new file mode 100644
index 0000000..1a0eda4
--- /dev/null
+++ b/lib/System/Win32/Path.inc
@@ -0,0 +1,33 @@
+//===- Win32/Path.cpp - Win32 Path Implementation ---------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Reid Spencer and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides the Win32 specific implementation of the Path class.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+//=== WARNING: Implementation here must contain only Win32 specific code
+//=== and must not be generic UNIX code (see ../Unix/Path.cpp)
+//===----------------------------------------------------------------------===//
+
+// Include the generic Unix implementation
+#include "../Unix/Path.cpp"
+
+namespace llvm {
+using namespace sys;
+
+
+std::string
+Path::GetDLLSuffix() {
+ return "dll";
+}
+
+}
+
+// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab